Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

45°F

7°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Mar 06:10 AM MDT
Extended Forecast for

4 Miles SSW East Thermopolis WY

Red Flag Warning March 19, 06:21am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 19, 06:21am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 83 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Breezy, with a southwest wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 24 mph.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 84 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Breezy, with a west wind 17 to 22 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Light and variable wind becoming east 5 to 8 mph in the afternoon.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 83. Breezy, with a south southwest wind 6 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Tonight
Partly cloudy, with a low around 50. Breezy, with a southwest wind 11 to 16 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 84. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46. West wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Mostly cloudy, with a low around 38. Breezy, with a west wind 17 to 22 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 65. Light and variable wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 47. Breezy.
Wednesday
Sunny, with a high near 82. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
6:01 am MDT Mar 19, 2026
6am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database